Agent mobile app error message: A server with the specified hostname could not be foundIssue When trying to log into the instance with the Agent mobile app there is an error: A server with the specified hostname could not be found. This error may appear even if your instance is up and running and all the required plugins are activated (like ITSM Mobile, Mobile studio, Mobile UI, etc.), then also the following error comes up: ReleaseMadrid, New YorkCauseThis issue happens when customers are using IP address allowlisting or the customer's ADFS settings for authenticating the user. Also, trying to access the URL, like https://<instance-name>.service-now.com/ from a desktop browser would show that the instance is not available for access.ResolutionThis is expected behavior as the URL/instance is not supposed to be reached from any IP address but only from the range of IP addresses configured in the instance.Related LinksFor more information on access control please go through this documentation article: IP Address Access Control